496
FNCA52 TJSJ 221930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST MON JUN 22 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-230800-
SOUTHEAST COASTAL PLAINS-
330 PM AST MON JUN 22 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 10 10 30
TEMP (24H TREND) 74 (-2) 93 (+2) 73 92
RH % (24H TREND) 83 (-1) 40 (-10) 86 47
WIND 20FT/EARLY(MPH) E 14 E 19 NE 13 E 16
WIND 20FT/LATE(MPH) NE 13 E 20 NE 13 E 17
MIXING HGT(FT-AGL/MSL) 5870 5830
TRANSPORT WND (MPH) E 22 E 22
VENT RATE (KT-FT) 111530 110770
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-230800-
SOUTHERN HILLS-
330 PM AST MON JUN 22 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 20 10 30
TEMP (24H TREND) 70 (-3) 89 (+3) 70 88
RH % (24H TREND) 94 (+1) 55 (-7) 95 59
WIND 20FT/EARLY(MPH) E 14 E 16 NE 14 E 13
WIND 20FT/LATE(MPH) NE 14 E 16 NE 13 E 14
MIXING HGT(FT-AGL/MSL) 6440 6220
TRANSPORT WND (MPH) E 21 E 21
VENT RATE (KT-FT) 115920 111960
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-230800-
NORTH COASTAL PLAINS-
330 PM AST MON JUN 22 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 10 30 30
TEMP (24H TREND) 74 (-1) 90 (0) 73 90
RH % (24H TREND) 95 (0) 58 (-5) 96 60
WIND 20FT/EARLY(MPH) E 21 E 18 E 19 E 14
WIND 20FT/LATE(MPH) E 16 E 20 E 17 E 19
MIXING HGT(FT-AGL/MSL) 5230 5480
TRANSPORT WND (MPH) E 23 E 20
VENT RATE (KT-FT) 104600 93160
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-230800-
NORTHERN HILLS-
330 PM AST MON JUN 22 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 20 10 30
TEMP (24H TREND) 72 (-1) 89 (0) 71 89
RH % (24H TREND) 95 (-2) 59 (-3) 96 61
WIND 20FT/EARLY(MPH) E 19 E 17 E 18 E 13
WIND 20FT/LATE(MPH) E 13 NE 19 E 14 E 17
MIXING HGT(FT-AGL/MSL) 6110 6250
TRANSPORT WND (MPH) E 21 E 16
VENT RATE (KT-FT) 109980 87500
DISPERSION 5 5
DSI 6 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-230800-
WEST COAST-
330 PM AST MON JUN 22 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE TSTMS
CHANCE PRECIP (%) 0 60 0 50
TEMP (24H TREND) 74 (-1) 93 (+1) 73 92
RH % (24H TREND) 92 (-1) 56 (-5) 93 58
WIND 20FT/EARLY(MPH) E 18 E 14 E 20 E 13
WIND 20FT/LATE(MPH) NE 18 E 17 E 19 E 16
MIXING HGT(FT-AGL/MSL) 5440 4830
TRANSPORT WND (MPH) E 12 E 13
VENT RATE (KT-FT) 54400 53130
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-230800-
EASTERN INTERIOR-
330 PM AST MON JUN 22 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 40 20 40 40
TEMP (24H TREND) 72 (-2) 89 (+2) 71 89
RH % (24H TREND) 95 (-1) 59 (-5) 97 62
WIND 20FT/EARLY(MPH) E 14 E 14 E 14 E 13
WIND 20FT/LATE(MPH) E 14 E 14 E 14 E 14
MIXING HGT(FT-AGL/MSL) 6570 6510
TRANSPORT WND (MPH) E 21 E 21
VENT RATE (KT-FT) 118260 117180
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-230800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST MON JUN 22 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 40 20 40 40
TEMP (24H TREND) 70 (-3) 85 (+4) 69 85
RH % (24H TREND) 98 (0) 65 (-9) 99 68
WIND 20FT/EARLY(MPH) E 11 E 13 E 12 E 11
WIND 20FT/LATE(MPH) E 12 E 13 E 11 E 13
MIXING HGT(FT-AGL/MSL) 5110 5330
TRANSPORT WND (MPH) E 21 E 22
VENT RATE (KT-FT) 91980 101270
DISPERSION 5 5
DSI 6 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-230800-
CENTRAL MOUNTAIN RANGE-
330 PM AST MON JUN 22 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY CLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS NONE TSTMS
CHANCE PRECIP (%) 0 50 0 50
TEMP (24H TREND) 68 (-3) 89 (+4) 67 89
RH % (24H TREND) 96 (0) 59 (-5) 97 62
WIND 20FT/EARLY(MPH) E 12 E 12 NE 16 E 10
WIND 20FT/LATE(MPH) E 12 NE 14 E 14 E 11
MIXING HGT(FT-AGL/MSL) 7820 7290
TRANSPORT WND (MPH) E 18 E 14
VENT RATE (KT-FT) 125120 87480
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-230800-
CAYEY MOUNTAIN RANGE-
330 PM AST MON JUN 22 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 40 20 30 40
TEMP (24H TREND) 71 (-1) 85 (+3) 70 84
RH % (24H TREND) 97 (-2) 63 (-7) 99 67
WIND 20FT/EARLY(MPH) E 12 E 14 NE 12 E 12
WIND 20FT/LATE(MPH) NE 12 E 14 E 11 E 12
MIXING HGT(FT-AGL/MSL) 5730 6040
TRANSPORT WND (MPH) E 22 E 22
VENT RATE (KT-FT) 108870 114760
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-230800-
VIEQUES-
330 PM AST MON JUN 22 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 40 20 30 40
TEMP (24H TREND) 76 (-2) 89 (+1) 76 89
RH % (24H TREND) 88 (-1) 59 (-5) 88 61
WIND 20FT/EARLY(MPH) E 17 E 18 E 18 E 17
WIND 20FT/LATE(MPH) E 19 E 17 E 18 E 17
MIXING HGT(FT-AGL/MSL) 3570 3130
TRANSPORT WND (MPH) E 22 E 23
VENT RATE (KT-FT) 67830 62600
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-230800-
CULEBRA-
330 PM AST MON JUN 22 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 10 40 40
TEMP (24H TREND) 77 (-2) 90 (+2) 77 90
RH % (24H TREND) 89 (+1) 57 (-9) 89 59
WIND 20FT/EARLY(MPH) E 17 E 18 E 18 E 17
WIND 20FT/LATE(MPH) E 19 E 17 E 18 E 16
MIXING HGT(FT-AGL/MSL) 3390 3060
TRANSPORT WND (MPH) E 23 E 23
VENT RATE (KT-FT) 67800 61200
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-230800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST MON JUN 22 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 0 50 0 20
TEMP (24H TREND) 75 (-2) 94 (+3) 74 93
RH % (24H TREND) 82 (-1) 45 (-7) 83 47
WIND 20FT/EARLY(MPH) E 17 E 19 E 18 E 18
WIND 20FT/LATE(MPH) E 13 E 24 G31 E 16 E 23
MIXING HGT(FT-AGL/MSL) 5650 5750
TRANSPORT WND (MPH) E 17 E 23
VENT RATE (KT-FT) 84750 115000
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-230800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST MON JUN 22 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 10 30 30
TEMP (24H TREND) 77 (-2) 87 (+1) 77 87
RH % (24H TREND) 89 (+1) 62 (-6) 90 64
WIND 20FT/EARLY(MPH) E 18 E 19 E 19 E 17
WIND 20FT/LATE(MPH) E 19 E 17 E 19 E 16
MIXING HGT(FT-AGL/MSL) 3360 3010
TRANSPORT WND (MPH) E 23 E 22
VENT RATE (KT-FT) 67200 57190
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-230800-
ST CROIX-
330 PM AST MON JUN 22 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 10 30 30
TEMP (24H TREND) 76 (-3) 88 (+1) 76 88
RH % (24H TREND) 90 (+1) 62 (-5) 90 63
WIND 20FT/EARLY(MPH) E 18 E 18 E 18 E 18
WIND 20FT/LATE(MPH) E 19 E 17 E 17 E 17
MIXING HGT(FT-AGL/MSL) 4750 5180
TRANSPORT WND (MPH) E 23 E 25
VENT RATE (KT-FT) 95000 113960
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
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